Fuses and Relays
Your vehicle's electrical system is protected by fuses.
If any lights, accessories, or controls do not work, inspect the appropriate circuit protector. If a fuse has blown, the inside element will be melted.
If the same fuse blows again, avoid using that system and consult an Authorized Mazda Dealer as soon as possible.
If any lights, accessories, or controls do not work, inspect the appropriate circuit protector. If a fuse has blown, the inside element will be melted.
If the same fuse blows again, avoid using that system and consult an Authorized Mazda Dealer as soon as possible.
Replacing the fuses on the vehicle's left side
If the electrical system does not work, first inspect the fuses on the vehicle's left side.
1. Make sure the ignition is switched off, and other switches are off.
2. Open the fuse panel cover.
fuses on the vehicle's left side |
3. Pull the fuse straight out with the fuse puller provided on the fuse block located in the engine compartment.
fuse puller provided on the fuse block located in the engine compartment |
4. Inspect the fuse and replace it if it is blown.
Normal fuse, Blown fuse |
5. Insert a new fuse of the same amperage rating, and make sure it fits tightly. If it does not fit tightly, have an expert install it. We recommend an Authorized Mazda Dealer.
If you have no spare fuses, borrow one of the same rating from a circuit not essential to vehicle operation, such as the AUDIO or OUTLET circuit.
CAUTION
Always replace a fuse with a genuine Mazda fuse or equivalent of the same rating. Otherwise you may damage the electric system.
6. Reinstall the cover and make sure that it is securely installed.
If you have no spare fuses, borrow one of the same rating from a circuit not essential to vehicle operation, such as the AUDIO or OUTLET circuit.
CAUTION
Always replace a fuse with a genuine Mazda fuse or equivalent of the same rating. Otherwise you may damage the electric system.
6. Reinstall the cover and make sure that it is securely installed.
Left side Fuse block
Fuse Panel Description - Left side vehicle Fuse block |
Fuses Coding table
DESCRIPTION ... FUSE RATING .... PROTECTED COMPONENT
1 P.SEAT D 30 A Power seat *
2 P.WINDOW3 30 A Power windows *
3 R.OUTLET3 15A ― ―
4 P.WINDOW2 25 A Power windows
5 SRS2/ESCL 15 A Seat weight sensor *
6 D.LOCK 25 A Power door locks
7 SEAT WARM 20 A Seat warmer *
8 SUNROOF 10 A Moonroof *
9 F.OUTLET 15 A Accessory sockets
10 MIRROR 7.5 A Power control mirror
11 R.OUTLET1 15A ― ―
12 ― ― ―
13 ― ― ―
14 ― ― ―
15 ― ― ―
16 ― ― ―
17 M.DEF 7.5 A Mirror defroster *
18 ― ― ― (2016-2017 Model - R.SEAT W 20 A Seat warmer * )
19 ― ― ― (2016-2017 Model - R.SHADE 7.5A )
20 AT IND 7.5 A AT shift indicator *
21 P.SEAT P 30 A Power seat *
* Some Models
Replacing the fuses under the hood
If the headlights or other electrical components do not work and the fuses in the cabin are normal, inspect the fuse block under the hood. If a fuse is blown, it must be replaced. Follow these steps:
1. Make sure the ignition is switched off, and other switches are off.
2. Remove the fuse block cover.
1. Make sure the ignition is switched off, and other switches are off.
2. Remove the fuse block cover.
Fuse Box under the hood |
3. If any fuse but the MAIN fuse is blown, replace it with a new one of the same amperage rating.
Normal fuse, Blown fuse |
WARNING
Do not replace the main fuse by yourself. Have an Authorized Mazda Dealer perform the replacement:
Replacing the fuse by yourself is dangerous because the MAIN fuse is a high current fuse. Incorrect replacement could cause an electrical shock or a short circuit resulting in a fire.
4. Reinstall the cover and make sure that it is securely installed.
Fuse Panel Description - Fuse block (Engine compartment)
Engine compartment Fuse Panel Diagram |
DESCRIPTION ... FUSE RATING... PROTECTED COMPONENT
1 ADD FAN GE 30 A Cooling fan
2 IG2 30 A For protection of various circuits
3 INJECTOR 30 A Engine control system
4 FAN DE 40A ― ―
5 P.WINDOW1 30 A Power windows *
6 ― ― ―
7 ADD FAN DE ― ―
8 EVVT 20 A Engine control system
9 DEFOG 40 A Rear window defroster
10 DCDC DE ― ―
11 FAN GE 30 A Cooling fan
12 ― ― ― (2017 Mode - EPB L 20 A Electric parking brake (LH))
13 ― ― ― (2017 Mode -AUDIO 40 A Audio system)
14 ― ― ― (2017 Mode -EPB R 20 A Electric parking brake (RH))
15 ENG.MAIN 40 A Engine control system
16 ABS/DSC M 50 A ABS, Dynamic stability control system
17 CABIN.+ B 50 A For protection of various circuits
18 WIPER 20 A Front window wiper and washer
19 HEATER 40 A Air conditioner
20 DCDC REG ― ―
21 ENGINE.IG1 7.5 A Engine control system
22 C/U IG1 15 A For protection of various circuits
23 H/L LOW L, HID L 15 A Headlight (LH - Left Hand)*1, Headlight low beam (LH) *2
24 H/L LOW R 15 A Headlight low beam (RH) *2
25 ENGINE3 15 A Engine control system
26 ENGINE2 15 A Engine control system
27 ENGINE1 15 A Engine control system
28 AT 15 A Transaxle control system *
29 H/CLEAN 20A ― ―
30 A/C 7.5 A Air conditioner
31 AT PUMP 15A ― ―
32 STOP 10 A Brake lights
33 R.WIPER 15 A Theft-deterrent system *
34 H/L HI 20 A Headlight high beam
35 HID R 15 A Headlight (RH - Right Hand) *1
36 FOG 15 A Fog lights *
37 ENG+B 7.5 A Engine control system
38 AUDIO2 7.5 A Audio system
39 GLOW SIG 5A ― ―
40 METER2 7.5A ― ―
41 METER1 10 A Instrument cluster
42 SRS1 7.5 A Air bag
43 BOSE 25 A Bose® Sound System-equipped model *
44 AUDIO1 15 A Audio system
45 ABS/DSC S 30 A ABS, Dynamic stability control system
46 FUEL PUMP 15 A Fuel system
47 FUEL WARM 25A ― ―
48 TAIL 15 A Taillights, License plate lights
49 ― ― ― (2016-2017 Model - Fuel Pump2 SCR2 25A)
50 HAZARD 25 A Hazard warning flashers, Turn signal lights/Front side-marker lights, Parking lights
51 DRL 15 A Daytime running lights *
52 R.OUTLET2 15 A Accessory sockets
53 HORN 15 A Horn
54 ROOM 15 A Overhead light
* Some Models
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